Update ktlint and gradle plugin.

app/src/test/java/org/thoughtcrime/securesms/util/LinkUtilTest_isLegal.java

@@ -9,6 +9,7 @@ import java.util.Collection;
 
 import static junit.framework.TestCase.assertEquals;
 
+@SuppressWarnings("NewClassNamingConvention")
 @RunWith(Parameterized.class)
 public class LinkUtilTest_isLegal {
 

app/src/test/java/org/thoughtcrime/securesms/util/LinkUtilTest_isValidPreviewUrl.kt

@@ -5,6 +5,7 @@ import org.junit.Test
 import org.junit.runner.RunWith
 import org.junit.runners.Parameterized
 
+@Suppress("ClassName")
 @RunWith(Parameterized::class)
 class LinkUtilTest_isValidPreviewUrl(private val input: String, private val output: Boolean) {
 

app/src/test/java/org/thoughtcrime/securesms/util/NameUtil_getAbbreviation.kt

@@ -7,6 +7,7 @@ import org.junit.runner.RunWith
 import org.robolectric.ParameterizedRobolectricTestRunner
 import org.robolectric.annotation.Config
 
+@Suppress("ClassName")
 @RunWith(value = ParameterizedRobolectricTestRunner::class)
 @Config(manifest = Config.NONE, application = Application::class)
 class NameUtil_getAbbreviation(